{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858544,-0.512740,0.000000,0.000000,0.262421,-0.439404,0.859103,0.000000,-0.439719,0.736275,0.514341,0.000000,-2807072.069452,4700226.824744,3261465.422275,1],    "boundingVolume": {    "region": [2.109087,0.540176,2.109252,0.540302,0.000000,16.477633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_243718.b3dm"}}}